Synonyms of lassitude

1 Syllable
phlegm
2 Syllables
stupor, torpor, languor, frazzle, ennui, deadness, stupors, sopors, doldrums, sopor, dullness, weakness
3 Syllables
fatigue, idleness, disregard, listlessness, sluggishness, inaction, apathy, narcosis, infirmness, sleepiness, boredoms, exhaustion, stolidness, fecklessness, languishment, laziness, prostration, drowsiness, weariness, tiredness, languidness, feebleness, malaise, boredom, hypnoses, lethargy, inactions, jadedness, hypnosis
4 Syllables
disinterest, hebetude, petrifaction, stolidity, petrifactions, oscitancy, world-weariness, passivity, incuriousness, torpidity, effeteness, spiritlessness, fatigation, inanition, paralysis, paralyses
5 Syllables
impassivity, immobility, incuriosity, deliquescence, pococurantism, overtiredness, inactivity, insensibleness
6 Syllables
unresponsiveness, impassibility